Surface wear on cervical restorations and adjacent enamel and root cementum caused by simulated long-term maintenance therapy.
J Clin Periodontol
; 31(4): 293-8, 2004 Apr.
Article
in En
| MEDLINE
| ID: mdl-15016258
ABSTRACT
BACKGROUND:
In an in vitro study, the surface wear on cervical restorations and adjacent enamel and root cementum caused by different tooth-cleaning methods in simulated long-term therapy was investigated.METHODS:
Cervical restorations of amalgam (Oralloy), modified composite resin (Dyract), glass-ionomer cement (ChemFill Superior), and composite (Tetric) were instrumented by POL (polishing), CUR+POL (curette and polishing), US+POL (ultrasonic device with polishing) and the polishing agents Cleanic and Proxyt in a computer-controlled test bench. Treatment time corresponding to a real-time period of 5 or 10 years. Substance loss from instrumented surfaces was measured with a digital gauge. A three-way anova was used in the statistical evaluation.RESULTS:
The results showed that POL led to slight substance loss, which was greater using Cleanic (27 microm) than Proxyt (5 microm). CUR+POL produced a significantly greater substance loss than did US+POL, with 186 microm versus 35 microm on glass-ionomer cement, respectively, and 123 microm versus 18 microm, respectively, on root cementum, followed by composite (111 microm versus 27 microm, respectively), polyacid modified composite resin/compomer (89 microm versus 36 microm), amalgam (75 microm versus 19 microm), and enamel (32 microm versus 23 microm).CONCLUSIONS:
As opposed to the use of US+POL or POL, substance loss on cervical restorations and especially root cementum must be expected to result from tooth-cleaning during long-term maintenance treatment using CUR+POL.
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Tooth Abrasion
/
Tooth Root
/
Dental Restoration Wear
/
Dental Cementum
/
Dental Enamel
/
Dental Materials
/
Dental Prophylaxis
Limits:
Animals
Language:
En
Journal:
J Clin Periodontol
Year:
2004
Document type:
Article
Affiliation country:
Germany